Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition)
Measurement and Analysis of Transaction Efficiency in Chengdu-Chongqing Economic Zone from Perspective of “Dual Circulation”
GONG Yanling, ZHANG Yushu, ZHANG Yingliang
Journal of Beijing University of Posts and Telecommunications(Social Sciences Edition) . 2023, (5): 49 -62 .  DOI: 10.19722/j.cnki.1008-7729.2023.0066

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